Home / 2,975.13-4,105.22-1,716.23

Finding the Fourth Proportional to 2,975.13, 4,105.22 and 1,716.23

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Solution

The fourth proportional to 2,975.13, 4,105.22 and 1,716.23 is: 2,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.13 : 4,105.22 = 1,716.23 : x
  2. Step 2: Convert to fraction form
    2,975.13/4,105.22 = 1,716.23/x
  3. Step 3: Cross multiply
    2,975.13x = 4,105.22 × 1,716.23
  4. Step 4: Simplify right side
    2,975.13x = 7,045,503.40
  5. Step 5: Solve for x
    x = 7,045,503.40/2,975.13
  6. Step 6: Final answer
    x = 2,368.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.